﻿package com.esm.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * 
 * @author 王文成
 *
 */
public class Simplefilter implements Filter
{
	
	public void init(FilterConfig filterConfig) throws ServletException {}

	
	public void doFilter(ServletRequest req, ServletResponse resp, FilterChain fchain) throws IOException, ServletException 
	{
		HttpServletRequest request = (HttpServletRequest) req;
		HttpServletResponse response = (HttpServletResponse) resp;
		//设置字符编码集UTF-8
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");



		//处理完毕之后，发给servlet，需要执行下面方法

		fchain.doFilter(request, response);
	}
	
	public void destroy() {}
}
